<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>demo11</title>
    <link rel="stylesheet" href="demo11.css">
    <style>
        a {
            color: black;
        }
        a:hover {
            color: blue;
        }
        a:active {
            color: red;
        }
        input {
            color:blueviolet;
        }
        input:hover {
            color:red;
        }
        input:active {
            color:blue
        }
    </style>
</head>
<body>

    <a href="#">不跳转</a><br/>

    <input type="button" value="嘻嘻"><br/>

    <input type="submit">

    <!-- <div class="cat">
        <ul>
            <li><a href="#">小猫</a></li>
        </ul>
    </div> -->


    <!-- <div class="cat">
        <a href="#">小猫</a>
        <ul>
            <li><a href="#">小狗</a></li>
        </ul>
    </div> -->


</body>
</html>